At work we just deliver these mobile, specifically the xperia E1 D2004 con Android KitKat 4.4.2, and seeing that it was so easy to root, for I have done without many problems, so here is the manual for the rooteo.
PREVIOUS MANDATORY COMMON OPTIONS
1 – Download and install PC Companion to install the drivers mobile Xperia E1.
2 – Connect your mobile to your pc and check that the phone installed correctly.
3 – Discharge Towelroot y Supersu, extracts the apk and copy them to your SD Mobile (in the same root, no matter where).
3 – You see the development settings-Options menu and enable USB debugging (it will install the driver in Windows, It is normal)
4 – Go to Security and activate Unknown Sources.
PROCESS AND ROOT EXPERIA E1 D2004 D2005 WITH KITKAT
1 – From your mobile, tr.apk-looking and installs it normally, run it and click go make rain. Now you can close it when finished.
2 – Search superuser.apk and install without running.
3 – Restart your mobile, application seeks SuperSU, run it and install the binary in normal mode.
4 – Ready, we have our Sony Xperia E1 rooteado!
If this has served you help, You can thank me with a donation by Paypal, Thank you!!